题目内容

A system administrator has run topas on a server. The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0. Which of the following procedures should be performed to fix this problem?（）

A. Replace the hard disk with a faster disk drive.
B. Add another paging space on another hdisk.
C. Spread the data hdisk0 across several hdisks.
D. Nothing, since %iowait is a measurement of CPU time.

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Given: Whatcandirectlyaccessandchangethevalueofthevariablename?（）

A. anyclass
B. onlytheTargetclass
C. anyclassinthetestpackage
D. anyclassthatextendsTarget

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During a boot, which of the following procedures is most likely to present a menu that prompts the user to copy a dump?（）

A. Set the dump device to /dev/hd6.
B. Run sysdumpdev to set the force copy flag for dump to true.
C. Run sysdumpdev to set the force copy flag for dump to false.
D. Increase space in the /tmp directory.

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Whichcommandwillactivateadefinedpagingspace?（）

A. swaponpaging01
B. chpsaypaging01
C. mkpsa/dev/paging01
D. swapa/dev/paging01

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A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given： Based on the output， which of the following is insufficient？（）

A. CPU
B. Disk
C. Memory
D. NetworkX

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A system administrator has run topas on a server. The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0. Which of the following procedures should be performed to fix this problem?（）

A. Replace the hard disk with a faster disk drive. B. Add another paging space on another hdisk. C. Spread the data hdisk0 across several hdisks. D. Nothing, since %iowait is a measurement of CPU time.

Given: Whatcandirectlyaccessandchangethevalueofthevariablename?（）

During a boot, which of the following procedures is most likely to present a menu that prompts the user to copy a dump?（）

Whichcommandwillactivateadefinedpagingspace?（）

A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given： Based on the output， which of the following is insufficient？（）

A. Replace the hard disk with a faster disk drive.
B. Add another paging space on another hdisk.
C. Spread the data hdisk0 across several hdisks.
D. Nothing, since %iowait is a measurement of CPU time.